Superheat sensor
A superheat sensor (1) for sensing superheat of a fluid flowing in a flow channel (3) is disclosed. The sensor (1) comprises a flexible wall defining an interface between an inner cavity (5)...

Temperature sensing tube for expansion valve
To provide a temperature sensing tube for an expansion valve in which a hunting can be prevented by slowing of a temperature reaction rate of an expansion valve, a ceramic sintered member serving...

Mechanical-electrical combination thermometer
In the thermometer of the present invention a hollow sensing element (9) is connected by a capillary tube (18) to the hollow space of a Bourdon spring (19). The hollow sensing element (9), the...

Pressure temperature sensor
A pressure-temperature sensor for monitoring a fluid system for an over-temperature, an under-pressure or an over-pressure condition. The sensor includes a bellows operator enclosed in a...

12

4606104

Method of making a gas pressure thermometer
In making a gas pressure thermometer measuring system comprising a container for the gas, a Bourdon tube, and a capillary of no more than about 20 m which connects said container to one end of the...

Thermometer for measuring cryogenic temperatures
A thermometer comprises a first sample space having a liquefiable gas sealed therein and a second sample space partitioned from the first sample space by a pressure difference detecting element...

Bourdon tube transducer
A bourdon tube transducer has included a bourdon tube with a conductive plate electrically separated from the bourdon tube and in parallel with the bourdon tube. As the pressure varies, so does...

18

4262274

Thermal electric switch
A thermal electric switch having a thermally expansible material operating on an elastomeric diaphragm to operate a switch wherein the switch is an electrically conductible spring element and is...

19

4092864

Hot spot thermometer
A thermometer unit for monitoring the temperature of a fluid cooled electric transformer, the unit having a ceramic body insertable between the coils of the transformer winding immersed in cooling...

Gearless pressure or temperature gauge
A pressure gauge comprising a diaphragm, a cylinder seat, and a driving helix movable up or down to constitute the operating elements. A rotary shaft with a pin fixed thereon rotates clockwise or...

22

3992944

Adsorption type gas-filled thermometer
A gas-filled thermometer which employs hydrogen and an adsorbent compound in a temperature sensitive bulb, with a pressure transducer connected to the bulb to indicate the temperature. The...

23

3987821

Gas-filled thermometer
A Bourdon tube sensing element for a fluid-filled temperature gauge is made by inserting strips of silicone rubber into a partially flattened tube, especially one of beryllium copper, which is...

BELLOWS TEMPERATURE BULB SENSOR
A device providing a large heat transfer area for ambient temperature and a small volume of heat sensitive fluid within the bulb. Bulbs with rigid corrugated walls or thin-wall bellows with...

27

3774452

HELICAL COIL BOURDON TUBE SUPPORT ASSEMBLY
An improved Bourdon tube and support assembly including a rigid base plate with the pressure inlet end of a helical coil Bourdon tube mounted on the base plate. A readout arm or measuring pointer...

28

3766783

GAS BULB FOR A GAS-FILLED DIAL THERMOMETER
A gas bulb for a gas-filled thermometer, the bulb containing activated coconut charcoal, and having dimensions such that the internal volume is about 0.15 cubic inches, operating on the principal...

29

3756067

TEMPERATURE MEASUREMENT
Methods of measuring the temperature of a surface or of various surfaces of work pieces and of a surface of a heating element or member coming in contact with the work pieces. A method of real...

30

3680385

DIAL THERMOMETER
A precision thermometer is provided for medical use. The thermometer is equipped with a detachable and disposable probe tip containing a charge of fluid the pressure of which changes with...

31

3603151

GAS ADSORPTION THERMOMETER
A gas adsorbent thermometer comprising an external housing; a temperature indicating member; means defining a chamber interiorly of the housing; a shaft member having one end thereof supporting...